（本报记者赵成、吴丹、朱隽、王昊男、侯琳良、杨文明、王云娜、刘军国、李心萍、寇江泽、李林蔚、常钦、刘新吾、郑洋洋、李俊杰）
A controlled deorbit requires the use of several core systems, including those for communications, power, and avionics. Some of the ISS machinery was not specifically certified to perform in a depressurized environment. (NASA believes that critical systems would remain operable, based on technical analyses, and emphasizes that many of these systems are already used in vacuum.) Another thing to worry about: the ISS losing control over its orientation in space. The spacecraft could start tumbling, flipping the station’s solar arrays away from the sun, taking the primary source of power with it.
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No evidence has been presented that these safeguards are insufficient to continue to protect Android users as they have for the entire seventeen years of Android’s existence. If Google’s concern is genuinely about security rather than control, it should invest in improving these existing mechanisms rather than creating new bottlenecks and centralizing control.
Lex: FT's flagship investment column，推荐阅读爱思助手下载最新版本获取更多信息
Antiviral is a fortnightly column that interrogates the evidence behind the health headlines and factchecks popular wellness claims
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